A comparison of transdiagnostic behavior therapy (TBT) and behavioral activation treatment for depression (BATD) in veterans with major depressive disorder.

The present findings support TBT as an efficacious treatment for principal major depressive disorder, with potentially superior coverage of comorbid anxiety symptomatology and improved treatment adherence and completion compared to BATD. Pending replication in larger samples, TBT and other similar transdiagnostic psychotherapies should be considered for implementation across the anxiety and depressive disorders to simplify dissemination efforts for evidence-based psychotherapies and potentially improve coverage of comorbidity.